F16N 7/22
Shaped as rings
Official title: shaped as rings
F16N7/22 (Shaped as rings) appears on 22 US grants and 19 published applications in this corpus.
Search patents in F16N- Granted patents
- 22
- Published applications
- 19
- Assignees
- 20
- Inventors
- 52
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 3 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 2 | 2 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotary electric machine and oil ring for rotary electric machine10 Feb 2026US 12,549,058 B2Weg Equipamentos EléTricos S.A.
- Measuring arrangement for lubricant31 Jan 2023US 11,566,700 B2ZF Friedrichshafen AG
- Sliding-contact bearing with a sealing arrangement, and water pump with same16 Aug 2022US 11,415,168 B2Nidec Gpm GmbH
- Servo press machine15 Jun 2021US 11,034,116 B2Aida Engineering, Ltd.
- Lubricant applicator9 Mar 2021US 10,941,901 B2Skf Lubrication Systems Germany GmbH
- Rotary electric machine and o-ring for rotary electric machine1 Feb 2024US 2024/0039360 A1Weg Equipamentos EléTricos S.A.
- Two-piece oil filter assembly for pumps16 Feb 2023US 2023/0048325 A1ITT Manufacturing Enterprises, Inc.
- Compact sliding-contact bearing with a sealing arrangement, and water pump with same17 Feb 2022US 2022/0049710 A1Nidec Gpm GmbH
- Measuring arrangement for lubricant10 Feb 2022US 2022/0042592 A1ZF Friedrichshafen AG
- Rolling bearing having a sealing assembly and water pump having same23 Dec 2021US 2021/0396241 A1Nidec Gpm GmbH
Most cited
By later US patents
- Hybrid bearing35US 4,597,676 AGeneral Electric Company · 1986
- Lube oil ring pump13US 4,591,024 ADresser Industries, Inc. · 1986
- Bearing assembly13US 4,863,291 AReliance Electric Company · 1989
- Center flange bearing suitable for use with electrical machinery9US 5,669,717 AReliance Electric Industrial Company · 1997
- Bearing assembly8US 4,765,760 AReliance Electric Company · 1988